Unless you frequently fun programs that would benifit noticiby from more than 512 or RAM, don't throw away ur money on that. Otherwise that looks good, MAKE SURE YOU HAVE SUFFICIENT COOLING otherwise your oc'ed system will either crap out or be totally unstable.

i am personally against overclocking as i doubt there is a program or game out right now that won't run perfect on your system. If you do overclock I would buy a small fan and rig it to the north bridge on the motherboard, this chip can get hotter than the cpu.